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Guest Message by DevFuse

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2017/2018 MKX 3.7L


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5 replies to this topic

#1 OFFLINE   T hawker

T hawker

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Posted 09 September 2017 - 02:35 AM

I'm am considering ordering a 2018 MKX and would like to know if the standard 3.7L V6 is a direct injection engine?  I have read about carbon buildup in the DI engines and the internal water pumps causing engine damage if they fail.  Are these still issues or have the engineers solved these issues.

 

Thanks for the info.  Steve


Past Rides:

 

1980 Pinto                1982 T-Bird Heritage         1983 Ranger V6

1984 Tempo 2d        1985 Ranger V6 4x4          1985 T-Bird 5.0

1986 Ranger V6       1988 Mustang LX 2d 5.0    1989 Bronco II 4x4

1990 Ranger 4.0       1992 F-150 5.8 4x4           1995 Chevy 5.7 K1500

1995 Ranger 4.0       1995 F-150 5.8 4x4           1998 Mark VIII

1999 Chevy S10 4.3 2000 GMC Sierra 5.3 4x4  2001 Crown Vic

2003 GMC Yukon     2006 MB C350                   2008 Buick Enclave

2008 GMC Sierra 4x4  2012 Toyota Venza V6  

 

Past Hobbies:

 

1976 Mercury Marquis 460/4bbl

1979.5 Ranchero








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#2 ONLINE   fordtech1

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Posted 09 September 2017 - 03:46 AM

I'm am considering ordering a 2018 MKX and would like to know if the standard 3.7L V6 is a direct injection engine?  I have read about carbon buildup in the DI engines and the internal water pumps causing engine damage if they fail.  Are these still issues or have the engineers solved these issues.
 
Thanks for the info.  Steve


As of 2017 models the 3.7 is still port injection. Yes they still have the internal water pump. The catastrophic pump failure that leads to engine damage isn't as common but can happen. The pumps are double gasketed. It also has a weep hole that runs outside the block as an indicator of a failing pump. However, if the pump fails at the shaft seal it can leak into the crankcase. I've seen pumps fail at 40k and several vehicles have over 150k miles on original pump. So it's a crap shoot. Get an 125k mile esp and don't worry about it.
  • twintornados likes this

#3 OFFLINE   T hawker

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Posted 10 September 2017 - 09:34 AM

fordtech1, thanks for the info, did not know about the weep hole.   ESP sounds like a good idea, now just waiting to see the new color Iced Mocha metallic.


Past Rides:

 

1980 Pinto                1982 T-Bird Heritage         1983 Ranger V6

1984 Tempo 2d        1985 Ranger V6 4x4          1985 T-Bird 5.0

1986 Ranger V6       1988 Mustang LX 2d 5.0    1989 Bronco II 4x4

1990 Ranger 4.0       1992 F-150 5.8 4x4           1995 Chevy 5.7 K1500

1995 Ranger 4.0       1995 F-150 5.8 4x4           1998 Mark VIII

1999 Chevy S10 4.3 2000 GMC Sierra 5.3 4x4  2001 Crown Vic

2003 GMC Yukon     2006 MB C350                   2008 Buick Enclave

2008 GMC Sierra 4x4  2012 Toyota Venza V6  

 

Past Hobbies:

 

1976 Mercury Marquis 460/4bbl

1979.5 Ranchero


#4 OFFLINE   twintornados

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Posted 10 September 2017 - 03:10 PM

.... However, if the pump fails at the shaft seal it can leak into the crankcase. I've seen pumps fail at 40k and several vehicles have over 150k miles on original pump. So it's a crap shoot. Get an 125k mile esp and don't worry about it.

.

Got an ESP on my 2011 MKX with the 3.7.....just rolling up on 90K trouble free miles....lovin' "The Lincoln Life"


Does anyone know where the love of god goes, when the waves turn the minutes to hours....Gordon Lightfoot, "Wreck of the Edmund Fitzgerald"

A government big enough to give you everything you want is a government big enough to take from you everything you have. ~ Gerald Ford - August 12, 1974

#5 OFFLINE   T hawker

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Posted 11 September 2017 - 10:34 PM

twintornados, great to hear.  I need to talk to a neighbor about his 2.7L v6 in his 2015 F150.  I believe the basic design of the engine is the same, rwd vs fwd.  I did test drive a couple of 2017 MKX's back to back, both had the 2.7L v6 and awd.  Set the CCD to comfort (only one I'm interested in) the Select model had a smoother ride (18" wheels) then the Reserve (20" wheels) so will order the Reserve with the snow chain capable 18" wheels/tires.  Don't need snow chains, but it's a way to get 18" wheels on a Reserve.


Past Rides:

 

1980 Pinto                1982 T-Bird Heritage         1983 Ranger V6

1984 Tempo 2d        1985 Ranger V6 4x4          1985 T-Bird 5.0

1986 Ranger V6       1988 Mustang LX 2d 5.0    1989 Bronco II 4x4

1990 Ranger 4.0       1992 F-150 5.8 4x4           1995 Chevy 5.7 K1500

1995 Ranger 4.0       1995 F-150 5.8 4x4           1998 Mark VIII

1999 Chevy S10 4.3 2000 GMC Sierra 5.3 4x4  2001 Crown Vic

2003 GMC Yukon     2006 MB C350                   2008 Buick Enclave

2008 GMC Sierra 4x4  2012 Toyota Venza V6  

 

Past Hobbies:

 

1976 Mercury Marquis 460/4bbl

1979.5 Ranchero


#6 OFFLINE   theoldwizard

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Posted 26 September 2017 - 08:53 AM

As of 2017 models the 3.7 is still port injection. Yes they still have the internal water pump. The catastrophic pump failure that leads to engine damage isn't as common but can happen. The pumps are double gasketed. It also has a weep hole that runs outside the block as an indicator of a failing pump. However, if the pump fails at the shaft seal it can leak into the crankcase. I've seen pumps fail at 40k and several vehicles have over 150k miles on original pump. So it's a crap shoot. Get an 125k mile esp and don't worry about it.

100 % correct !

 

The sad thing is, customers first realize there is a problem when the engine starts to run hot or they notice that the coolant level is low.  When they do NOT see any signs of coolant on the ground, they top it off and keep driving.  This can go on for weeks/months.

 

Of course, all of that coolant went into the crankcase and diluted the oil.  If the customer had pursued the coolant leak as soon as it came up, the small amount (8 oz ?) would not have diluted the oil enough to hurt the engine.










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